WO2019188042A1 - Bicycle motorization device and wheel - Google Patents
Bicycle motorization device and wheel Download PDFInfo
- Publication number
- WO2019188042A1 WO2019188042A1 PCT/JP2019/008585 JP2019008585W WO2019188042A1 WO 2019188042 A1 WO2019188042 A1 WO 2019188042A1 JP 2019008585 W JP2019008585 W JP 2019008585W WO 2019188042 A1 WO2019188042 A1 WO 2019188042A1
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- WIPO (PCT)
- Prior art keywords
- bicycle
- wheel
- electric motor
- speed
- pedal
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/40—Rider propelled cycles with auxiliary electric motor
- B62M6/60—Rider propelled cycles with auxiliary electric motor power-driven at axle parts
- B62M6/65—Rider propelled cycles with auxiliary electric motor power-driven at axle parts with axle and driving shaft arranged coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J43/00—Arrangements of batteries
- B62J43/10—Arrangements of batteries for propulsion
- B62J43/13—Arrangements of batteries for propulsion on rider-propelled cycles with additional electric propulsion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J45/00—Electrical equipment arrangements specially adapted for use as accessories on cycles, not otherwise provided for
- B62J45/40—Sensor arrangements; Mounting thereof
- B62J45/41—Sensor arrangements; Mounting thereof characterised by the type of sensor
- B62J45/412—Speed sensors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J45/00—Electrical equipment arrangements specially adapted for use as accessories on cycles, not otherwise provided for
- B62J45/40—Sensor arrangements; Mounting thereof
- B62J45/42—Sensor arrangements; Mounting thereof characterised by mounting
- B62J45/423—Sensor arrangements; Mounting thereof characterised by mounting on or besides the wheel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/40—Rider propelled cycles with auxiliary electric motor
- B62M6/45—Control or actuating devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/40—Rider propelled cycles with auxiliary electric motor
- B62M6/45—Control or actuating devices therefor
- B62M6/50—Control or actuating devices therefor characterised by detectors or sensors, or arrangement thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/40—Rider propelled cycles with auxiliary electric motor
- B62M6/60—Rider propelled cycles with auxiliary electric motor power-driven at axle parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M7/00—Motorcycles characterised by position of motor or engine
- B62M7/12—Motorcycles characterised by position of motor or engine with the engine beside or within the driven wheel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/12—Bikes
Definitions
- the present invention relates to a bicycle electrification device and wheels.
- Patent Document 1 discloses an electric bicycle including a vehicle speed sensor.
- the present invention provides a bicycle electrification apparatus and wheels that can electrify a bicycle that does not include an electric motor.
- a bicycle electrification device is a bicycle electrification device attached to a bicycle, a calculation unit that calculates the speed of the bicycle, an estimation unit that estimates a pedaling force on the pedal of the bicycle, An auxiliary driving force is applied to the wheel of the bicycle by driving the electric motor based on the electric motor, a battery for supplying electric power to the electric motor, the calculated speed, and the estimated pedaling force. And a control unit.
- a wheel according to an aspect of the present invention is a wheel attached to a bicycle, the wheel body, a calculation unit that calculates the speed of the bicycle, an estimation unit that estimates a pedaling force on the pedal of the bicycle, and an electric motor A battery for supplying electric power to the electric motor, and a controller for providing auxiliary driving force to the wheel body by driving the electric motor based on the detected speed and the estimated pedaling force. Is provided.
- a bicycle electrification device and wheels that can electrify a bicycle that does not include an electric motor are realized.
- FIG. 1 is an external view of a bicycle to which a bicycle electrification device according to Embodiment 1 is attached.
- FIG. 2 is a block diagram illustrating a functional configuration of the bicycle electrification apparatus according to the first embodiment.
- FIG. 3 is a flowchart of the operation of the bicycle electrification apparatus according to the first embodiment.
- FIG. 4 is an external view of a wheel according to the second embodiment.
- FIG. 5 is a block diagram illustrating a functional configuration of a wheel according to the second embodiment.
- FIG. 1 is an external view of a bicycle to which a bicycle electrification device according to Embodiment 1 is attached.
- FIG. 2 is a block diagram illustrating a functional configuration of the bicycle electrification apparatus according to the first embodiment.
- the bicycle electrification device 20 has a mounting structure for the bicycle 10 and is detachably attached to the bicycle 10 that does not have an electric motor.
- the attachment structure is, for example, a screwing structure using screws, but may be an engagement structure using attachment claws or the like.
- the bicycle electrification device 20 can electrify the bicycle 10 to which the bicycle electrification device 20 is attached.
- the bicycle electrification device 20 is attached to the main frame 11 of the bicycle 10, for example, and electrifies the front wheel 12 of the bicycle 10.
- the bicycle electrification device 20 may be attached to the standing pipe 14 or the like to electrify the rear wheel 13 of the bicycle 10.
- the bicycle electrification device 20 specifically includes an optical encoder 21, an acceleration sensor 22, a signal processing unit 23, a storage unit 24, an electric motor 25, A roller 26, a battery 27, and a housing 28 are provided. Components other than the optical encoder 21 are accommodated in the housing 28.
- the optical encoder 21 is attached to the fork 15 of the bicycle 10 and emits light to the wheel 16 of the front wheel 12.
- the optical encoder 21 is, for example, a reflective encoder, and outputs a modulation signal corresponding to the light reflected by the wheel 16.
- the optical encoder 21 may be a transmissive encoder. In this case, the optical encoder 21 outputs a modulation signal corresponding to the light that has passed through the wheel of the front wheel 12.
- the bicycle electrification apparatus 20 may include a magnetic encoder instead of the optical encoder 21.
- the acceleration sensor 22 detects the acceleration and outputs a signal indicating the acceleration.
- the acceleration sensor 22 detects at least acceleration in the traveling direction of the bicycle 10.
- the signal processing unit 23 performs signal processing in the bicycle electrification device 20 and controls the electric motor 25.
- the signal processing unit 23 includes a calculation unit 23a, an estimation unit 23b, and a control unit 23c.
- the signal processing unit 23 is realized by, for example, a microcomputer, but may be realized by a processor or a dedicated circuit.
- the storage unit 24 is a storage device in which a control program executed by the signal processing unit 23 is stored. Specifically, the storage unit 24 is realized by a semiconductor memory.
- the electric motor 25 is a drive source for electrifying the bicycle 10.
- the electric motor 25 rotates the roller 26 using electric power supplied from the battery 27.
- the roller 26 is in contact with the front wheel 12 of the bicycle 10 and is rotated by the electric motor 25 in this state to give an auxiliary driving force to the front wheel 12.
- a clutch mechanism is provided between the electric motor 25 and the roller 26, and the roller 26 idles when no auxiliary driving force is applied to the front wheels 12.
- the battery 27 is a power source that supplies electric power to the electric motor 25.
- the battery 27 is, for example, a secondary battery (that is, a storage battery) such as a lithium ion battery.
- the bicycle electrification device 20 can give the bicycle 10 an electric assist function instead of continuously moving the front wheel 12 of the bicycle 10 by the electric motor 25.
- the electric assist function is a function that adaptively applies an auxiliary driving force to the front wheels 12 of the bicycle 10 based on the speed of the bicycle 10 and the depression force applied to the pedal 17.
- FIG. 3 is a flowchart of the operation of the bicycle electrification device 20.
- the calculation unit 23a of the signal processing unit 23 calculates the speed of the bicycle 10 (S11).
- the calculation unit 23 a acquires a modulation signal from the optical encoder 21.
- the modulation signal is modulated in accordance with the presence or absence of the spokes constituting the wheel 16 and is a signal that indirectly indicates the rotation amount (in other words, the rotation speed) of the front wheel 12.
- the calculation unit 23a specifies the number of spokes passing in front of the optical encoder 21 per unit time based on the modulation signal, and calculates the rotation amount per unit time of the front wheels 12 based on the specified number of spokes. Identify.
- the calculation unit 23 a can calculate the speed of the bicycle 10 based on the amount of rotation of the front wheel 12 per unit time and the size of the front wheel 12.
- the number of spokes included in the front wheel 12 and the size of the front wheel 12 are set by the user based on a user operation received by an operation reception unit (not shown) included in the bicycle electrification device 20, for example. However, it may be determined in advance.
- first table information in which the amount of rotation of the front wheel 12 per unit time and the speed of the bicycle 10 are associated with each other may be stored in the storage unit 24.
- the calculation unit 23a can calculate the speed of the bicycle 10 from the rotation amount of the front wheel 12 by referring to the first table information.
- the estimation unit 23b estimates the depressing force on the pedal 17 of the bicycle 10 (S12).
- the pedaling force on the pedal 17 is a torque applied to the pedal 17.
- the estimation unit 23b estimates the pedaling force on the pedal 17 based on the acceleration in the traveling direction of the bicycle 10 (more specifically, a signal indicating the acceleration) detected by the acceleration sensor 22.
- the estimation unit 23b estimates that the pedal effort is larger as the acceleration in the traveling direction of the bicycle 10 is larger.
- the storage unit 24 stores second table information in which the acceleration detected by the acceleration sensor 22 and the depression force applied to the pedal 17 are associated with each other, and the estimation unit 23b refers to the second table information.
- the pedaling force is estimated from the acceleration.
- the correspondence relationship between the acceleration and the pedaling force on the pedal 17 in the second table information is appropriately determined experimentally or empirically.
- the pedal force associated with the acceleration increases as the acceleration increases.
- the controller 23c assists the front wheel 12 of the bicycle 10 via the roller 26 by driving the electric motor 25 based on the speed calculated in step S11 and the pedaling force estimated in step S12. A driving force is applied (S13).
- the control unit 23c determines the magnitude of the auxiliary driving force generated by driving the electric motor 25 based on the calculated speed and the estimated pedaling force.
- a first threshold for example, 10 km / h
- the control unit 23c drives the electric motor 25 to generate an auxiliary driving force that is twice or less the pedaling force applied to the pedal 17.
- the control unit 23c does not cause the electric motor 25 to generate an auxiliary driving force when the speed is equal to or higher than a second threshold value (for example, 24 km / h) greater than the first threshold value.
- a second threshold value for example, 24 km / h
- the control unit 23c drives the electric motor 25 to generate an auxiliary driving force corresponding to the speed.
- how to give such an auxiliary drive force is an example.
- the bicycle electrification device 20 can give the bicycle 10 an electric assist function by estimating the pedaling force on the pedal 17 as described above.
- the above-described method of estimating the pedal effort is an example.
- the angular velocity of the front wheel 12 may be used instead of the acceleration.
- the bicycle electrification device 20 includes an angular velocity sensor attached to the front wheel 12, and acquires the angular velocity of the front wheel 12 from the angular velocity sensor.
- the angular velocity of the front wheels 12, the weight of the bicycle 10, the state equation of the bicycle 10, and the like may be used for estimating the pedaling force.
- artificial intelligence AI: Artificial Intelligence
- the bicycle electrification device 20 attached to the bicycle 10 includes the calculation unit 23a that calculates the speed of the bicycle 10, the estimation unit 23b that estimates the pedaling force on the pedal 17 of the bicycle 10, and the electric motor 25.
- Such a bicycle electrification device 20 can give an electric assist function to the bicycle 10 that does not include an electric motor. That is, the bicycle electrification device 20 can electrify a bicycle that does not include an electric motor. The user can easily electrify the bicycle 10 by attaching the bicycle electrification device 20 to the bicycle 10.
- the bicycle electrification apparatus 20 further includes, for example, an acceleration sensor 22, and the estimation unit 23 b estimates the pedaling force based on the acceleration in the traveling direction of the bicycle 10 detected by the acceleration sensor 22.
- Such a bicycle electrification apparatus 20 can estimate the pedaling force using the acceleration sensor 22.
- the bicycle electrification device 20 further includes, for example, an optical encoder 21 that emits light to the wheel of the wheel.
- the calculation unit 23a calculates the speed of the bicycle 10 based on a signal indicating the amount of wheel rotation output by the optical encoder 21.
- Such a bicycle electrification device 20 can calculate the speed of the bicycle 10 using the optical encoder 21.
- control unit 23c gives an auxiliary driving force to the front wheel 12 of the bicycle 10.
- Such a bicycle electrification device 20 can give auxiliary driving force to the front wheel 12 of the bicycle 10.
- FIG. 4 is an external view of a wheel according to the second embodiment.
- FIG. 5 is a block diagram illustrating a functional configuration of a wheel according to the second embodiment. In the following second embodiment, the description will be focused on differences from the first embodiment, and description of the matters already described will be omitted or simplified.
- the wheel 30 is a device that is capable of electrifying the bicycle 10 by being attached to the bicycle 10 in exchange for the front wheel of the bicycle 10 that does not include an electric motor.
- the wheel 30 includes a wheel body 31 and an in-wheel motor device 32.
- the wheel 30 may be attached to the bicycle 10 in exchange for the rear wheel 13 of the bicycle 10.
- the wheel 30 may be used as a front wheel of the bicycle 10 or may be used as a rear wheel of the bicycle 10.
- the in-wheel motor device 32 specifically includes an acceleration sensor 22, a signal processing unit 23, a storage unit 24, an electric motor 25, a roller 26, and a battery 27. .
- the calculation unit 23a of the signal processing unit 23 calculates the speed of the bicycle 10 based on the acceleration detected by the acceleration sensor 22. Specifically, the calculation unit 23a can calculate the speed in the traveling direction of the bicycle 10 by integrating the signal indicating the acceleration in the traveling direction output from the acceleration sensor 22. Such a speed calculation method may be employed in the bicycle electrification apparatus 20. If the optical encoder 21 (or magnetic encoder) is attached to the wheel 30 shaft, the calculation unit 23a can also calculate the speed in the traveling direction of the bicycle 10 by the same calculation method as in the first embodiment. .
- the estimation method of the treading force by the estimation unit 23b is the same as that of the bicycle electrification device 20.
- the control unit 23c gives auxiliary driving force to the wheel body 31 by driving the electric motor 25 based on the speed calculated by the calculation unit 23a and the pedaling force estimated by the estimation unit 23b.
- the method of determining the magnitude of the auxiliary driving force is the same as that of the bicycle electrification device 20.
- the pedaling force on the pedal 17 cannot be directly measured, but the pedaling force on the pedal 17 can be estimated.
- the wheel 30 can give an electric assist function to the bicycle 10 by estimating the pedaling force applied to the pedal 17.
- the wheel 30 attached to the bicycle 10 includes the wheel body 31, the calculation unit 23a that calculates the speed of the bicycle 10, the estimation unit 23b that estimates the pedaling force on the pedal 17 of the bicycle 10, and the electric motor. 25, a battery 27 that supplies electric power to the electric motor 25, and a controller 23c that provides auxiliary driving force to the wheel body 31 by driving the electric motor 25 based on the detected speed and the estimated pedaling force.
- Such a wheel 30 can provide an electric assist function to the bicycle 10 that does not include an electric motor. That is, the wheel 30 can electrify the bicycle 10 that does not include the electric motor. The user can easily electrify the bicycle 10 by exchanging the wheels of the bicycle 10 with the wheels 30.
- the wheel 30 is used as a front wheel of the bicycle 10.
- Such a wheel 30 can be used as a front wheel of the bicycle 10 to give the bicycle 10 an electric assist function.
- the user can easily electrify the bicycle 10 by exchanging the front wheels of the bicycle 10 with the wheels 30.
- the bicycle electrification apparatus and the wheel according to the above embodiment may have a function of regeneratively charging the battery.
- the general or specific aspect of the present invention may be realized by a recording medium such as a system, apparatus, method, integrated circuit, computer program, or computer-readable CD-ROM.
- the general or specific aspect of the present invention may be realized by any combination of a system, an apparatus, a method, an integrated circuit, a computer program, and a recording medium.
- the present invention may be realized as an in-wheel motor device according to the above embodiment.
- the present invention may be realized as a bicycle electrification device or a bicycle control method using wheels.
Abstract
Description
[構成]
まず、実施の形態1に係る自転車電動化装置の構成について説明する。図1は、実施の形態1に係る自転車電動化装置が取り付けられた自転車の外観図である。図2は、実施の形態1に係る自転車電動化装置の機能構成を示すブロック図である。 (Embodiment 1)
[Constitution]
First, the configuration of the bicycle electrification apparatus according to Embodiment 1 will be described. FIG. 1 is an external view of a bicycle to which a bicycle electrification device according to Embodiment 1 is attached. FIG. 2 is a block diagram illustrating a functional configuration of the bicycle electrification apparatus according to the first embodiment.
自転車電動化装置20は、電動モータ25によって自転車10の前輪12を継続的に動かすのではなく、自転車10に電動アシスト機能を付与することができる。電動アシスト機能とは、自転車10の速度、及び、ペダル17への踏力に基づいて、自転車10の前輪12に適応的に補助駆動力を与える機能である。以下、自転車電動化装置20の動作について説明する。図3は、自転車電動化装置20の動作のフローチャートである。 [Operation]
The
以上説明したように、自転車10に取り付けられる自転車電動化装置20は、自転車10の速度を算出する算出部23aと、自転車10のペダル17への踏力を推定する推定部23bと、電動モータ25と、電動モータ25に電力を供給するバッテリ27と、算出された速度、及び、推定された踏力に基づいて電動モータ25を駆動することにより、自転車10の車輪に補助駆動力を与える制御部23cとを備える。 [Effects]
As described above, the
[構成]
自転車電動化装置20は、自転車10の車輪の形態で実現されてもよい。以下、実施の形態2に係る車輪について説明する。図4は、実施の形態2に係る車輪の外観図である。図5は、実施の形態2に係る車輪の機能構成を示すブロック図である。なお、以下の実施の形態2では、実施の形態1との相違点を中心に説明が行われ、既出事項の説明は省略または簡略化される。 (Embodiment 2)
[Constitution]
The
以上説明したように、自転車10に取り付けられる車輪30は、車輪本体31と、自転車10の速度を算出する算出部23aと、自転車10のペダル17への踏力を推定する推定部23bと、電動モータ25と、電動モータ25に電力を供給するバッテリ27と、検出された速度、及び、推定された踏力に基づいて電動モータ25を駆動することにより、車輪本体31に補助駆動力を与える制御部23cとを備える。 [Effects]
As described above, the
以上、実施の形態について説明したが、本発明は、このような実施の形態に限定されるものではない。 (Other embodiments)
Although the embodiment has been described above, the present invention is not limited to such an embodiment.
12 前輪
17 ペダル
20 自転車電動化装置
21 光学式エンコーダ
22 加速度センサ
23a 算出部
23b 推定部
23c 制御部
25 電動モータ
27 バッテリ
30 車輪
31 車輪本体
32 インホイールモータ装置 DESCRIPTION OF
Claims (6)
- 自転車に取り付けられる自転車電動化装置であって、
前記自転車の速度を算出する算出部と、
前記自転車のペダルへの踏力を推定する推定部と、
電動モータと、
前記電動モータに電力を供給するバッテリと、
算出された前記速度、及び、推定された前記踏力に基づいて前記電動モータを駆動することにより、前記自転車の車輪に補助駆動力を与える制御部とを備える
自転車電動化装置。 A bicycle electrification device attached to a bicycle,
A calculation unit for calculating the speed of the bicycle;
An estimation unit for estimating a pedaling force on the pedal of the bicycle;
An electric motor;
A battery for supplying power to the electric motor;
A bicycle electrification apparatus comprising: a control unit that drives the electric motor based on the calculated speed and the estimated pedaling force to apply an auxiliary driving force to the wheels of the bicycle. - さらに、加速度センサを備え、
前記推定部は、前記加速度センサによって検出される前記自転車の進行方向における加速度に基づいて前記踏力を推定する
請求項1に記載の自転車電動化装置。 Furthermore, an acceleration sensor is provided,
The bicycle electrification apparatus according to claim 1, wherein the estimation unit estimates the pedal effort based on an acceleration in a traveling direction of the bicycle detected by the acceleration sensor. - さらに、前記車輪のホイールに光を出射する光学式エンコーダを備え、
前記算出部は、前記光学式エンコーダによって出力される前記車輪の回転量を示す信号に基づいて前記自転車の速度を算出する
請求項1または2に記載の自転車電動化装置。 Furthermore, an optical encoder that emits light to the wheel of the wheel is provided,
The bicycle electrification device according to claim 1 or 2, wherein the calculation unit calculates the speed of the bicycle based on a signal indicating the rotation amount of the wheel output by the optical encoder. - 前記制御部は、前記自転車の前輪に補助駆動力を与える
請求項1~3のいずれか1項に記載の自転車電動化装置。 The bicycle electrification device according to any one of claims 1 to 3, wherein the control unit applies an auxiliary driving force to a front wheel of the bicycle. - 自転車に取り付けられる車輪であって、
車輪本体と、
前記自転車の速度を算出する算出部と、
前記自転車のペダルへの踏力を推定する推定部と、
電動モータと、
前記電動モータに電力を供給するバッテリと、
検出された前記速度、及び、推定された前記踏力に基づいて前記電動モータを駆動することにより、前記車輪本体に補助駆動力を与える制御部とを備える
車輪。 A wheel attached to a bicycle,
The wheel body,
A calculation unit for calculating the speed of the bicycle;
An estimation unit for estimating a pedaling force on the pedal of the bicycle;
An electric motor;
A battery for supplying power to the electric motor;
A control unit that provides an auxiliary driving force to the wheel body by driving the electric motor based on the detected speed and the estimated pedaling force. - 前記車輪は、前記自転車の前輪として用いられる
請求項5に記載の車輪。 The wheel according to claim 5, wherein the wheel is used as a front wheel of the bicycle.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020509765A JP7203319B2 (en) | 2018-03-29 | 2019-03-05 | bicycle electrification device |
EP19775939.2A EP3778369A4 (en) | 2018-03-29 | 2019-03-05 | Bicycle motorization device and wheel |
CN201980012251.2A CN111699130A (en) | 2018-03-29 | 2019-03-05 | Bicycle motorized device and wheel |
US16/967,981 US11505279B2 (en) | 2018-03-29 | 2019-03-05 | Bicycle motorization device and wheel |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018-066143 | 2018-03-29 | ||
JP2018066143 | 2018-03-29 |
Publications (1)
Publication Number | Publication Date |
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WO2019188042A1 true WO2019188042A1 (en) | 2019-10-03 |
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PCT/JP2019/008585 WO2019188042A1 (en) | 2018-03-29 | 2019-03-05 | Bicycle motorization device and wheel |
Country Status (5)
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US (1) | US11505279B2 (en) |
EP (1) | EP3778369A4 (en) |
JP (1) | JP7203319B2 (en) |
CN (1) | CN111699130A (en) |
WO (1) | WO2019188042A1 (en) |
Cited By (1)
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EP4105112A1 (en) * | 2020-02-14 | 2022-12-21 | Honda Motor Co., Ltd. | Vehicle hood |
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WO2020205368A1 (en) | 2019-03-29 | 2020-10-08 | Clip. Bike Inc. | Systems, devices, and methods for driving a wheel of a bicycle |
USD984930S1 (en) * | 2021-06-04 | 2023-05-02 | Rad Power Bikes Inc. | Electric bicycle |
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EP4105112A4 (en) * | 2020-02-14 | 2023-08-16 | Honda Motor Co., Ltd. | Vehicle hood |
Also Published As
Publication number | Publication date |
---|---|
JPWO2019188042A1 (en) | 2020-10-22 |
US11505279B2 (en) | 2022-11-22 |
US20210031874A1 (en) | 2021-02-04 |
CN111699130A (en) | 2020-09-22 |
EP3778369A4 (en) | 2021-04-21 |
JP7203319B2 (en) | 2023-01-13 |
EP3778369A1 (en) | 2021-02-17 |
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